SMTL ID : 3m8c.1 (1 other biounit)

Crystal Structure of Ketosteroid Isomerase D99N from Pseudomonas Testosteroni (tKSI) with Equilenin Bound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 4 residues within 4Å: Chain A: E.87, Y.88, Q.89, G.90 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:E.87, A:Q.89, A:Q.89, A:G.90 GOL.2: 4 residues within 4Å: Chain A: H.100, R.113 Chain B: H.100, R.113 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.113, A:R.113 Water bridges: B:R.113

7 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 3 residues within 4Å: Chain A: H.6, A.9, R.13 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.6, A:R.13 SO4.4: 2 residues within 4Å: Chain A: H.122, A.123 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:I.121, A:A.123 Salt bridges: A:H.122 SO4.5: 2 residues within 4Å: Chain A: N.104, G.105 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.105, A:A.106 SO4.6: 2 residues within 4Å: Chain B: N.104, G.105 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:G.105 Water bridges: B:A.106 SO4.7: 2 residues within 4Å: Chain B: R.91, A.123 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.91 SO4.8: 2 residues within 4Å: Chain B: R.102, S.111 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:S.111 Water bridges: B:R.102, B:S.111 Salt bridges: B:R.102 SO4.9: 3 residues within 4Å: Chain B: I.121, H.122, A.123 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:I.121, B:A.123 Salt bridges: B:H.122

1 x EQU: EQUILENIN(Non-covalent)

EQU.10: 13 residues within 4Å: Chain B: Y.14, L.18, D.38, F.54, Y.55, F.82, V.84, F.86, V.95, P.97, N.99, M.112, F.116 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:L.18, B:F.54, B:Y.55, B:F.82, B:V.84, B:V.84, B:F.86, B:V.95, B:V.95, B:P.97, B:F.116, B:F.116, B:F.116 Hydrogen bonds: B:N.99

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schwans, J. et al., Crystal Structure of Ketosteroid Isomerase D99N from Pseudomonas Testosteroni (tKSI) with Equilenin Bound. TO BE PUBLISHED

Release Date

2010-04-14

Peptides

Steroid Delta-isomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Steroid Delta-isomerase

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